Shower unit



FIG. 1: is a side perspective view of the shower unit showing our new design;

FIG. 2: is a top plan view thereof;

FIG. 3: is a bottom plan view thereof;

FIG. 4: is a front elevation view thereof;

FIG. 5: is a side elevation view thereof;

FIG. 6: is a rear elevation view thereof; and,

FIG. 7: is the opposite side elevation view thereof. 

The ornamental design for a shower unit, as shown and described. 